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https://issues.apache.org/jira/browse/CASSANDRA-5044?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13528022#comment-13528022
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Jonathan Ellis commented on CASSANDRA-5044:
-------------------------------------------

Do we actually support sizing these threadpools from yaml if we want to make 
the change permanent?
                
> Allow resizing of threadpools via JMX
> -------------------------------------
>
>                 Key: CASSANDRA-5044
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5044
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Carl Yeksigian
>            Assignee: Carl Yeksigian
>            Priority: Minor
>             Fix For: 1.2.1
>
>         Attachments: 5044.txt
>
>
> Currently changing the size of threadpools is done using the config files. If 
> resizing a threadpool, the node needs to be taken offline.
> Adding resizing via JMX allows online tweaking. TPEs allow for moving the 
> number of threads up and down; moving down will take effect after a thread in 
> the pool becomes idle.

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